{
    "tender_id": 3064764,
    "check": {
        "ok": true,
        "versions": 2,
        "broken_at": null
    },
    "formula": "content_hash = sha256(content); hash = sha256(prev_hash + \"\\n\" + tender_id + \"\\n\" + version + \"\\n\" + recorded_at + \"\\n\" + content_hash [+ \"\\n\" + actor, when the version has one])",
    "versions": [
        {
            "version": 1,
            "recorded_at": "2026-10-24T13:58:39Z",
            "content": "{\"cpv\": \"45315000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/093533-2026\", \"buyer\": \"Powys County Council\", \"title\": \"Wielka Brytania – Hendre Ladus, Ystradgynlais, Powys, SA9 1SE, Design, Supply and Installation of ASHP Heating System and Associated Works\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [\"42533000\", \"45351000\", \"51120000\"], \"location\": \"UKL24\", \"source_id\": \"ocds-h6vhtk-078021\", \"deadline_at\": \"2026-10-30T12:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-02T15:32:54Z\", \"notice_number\": \"093533-2026\"}",
            "content_hash": "91a3e71ccf6c15346760c54412108af665196d6a62f59de01b92dc8f98a73f2d",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "47b3039c8a3a125d9d529fd01fd79a328c30015c6793bd9836b25dc929a738ba",
            "actor": null,
            "seal": {
                "id": 1,
                "digest": "25686b149cfd327de10f8db2827c82e22b0d6a884d716cd11b36328364d6937d",
                "file": "https://tenderiq.pl/rejestr/pieczec-1.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-1.txt.ots",
                "bitcoin_block": 972985
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-24T14:06:08Z",
            "content": "{\"cpv\": \"45315000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/093533-2026\", \"buyer\": \"Powys County Council\", \"title\": \"Wielka Brytania – Hendre Ladus, Ystradgynlais, Powys, SA9 1SE, Projektowanie, Dostawa i Montaż Pompy Ciepła ASHP oraz Powiązane Prace\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [\"42533000\", \"45351000\", \"51120000\"], \"location\": \"UKL24\", \"source_id\": \"ocds-h6vhtk-078021\", \"deadline_at\": \"2026-10-30T12:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-02T15:32:54Z\", \"notice_number\": \"093533-2026\"}",
            "content_hash": "2550c1bd2f5f3f578a24f247911686987b4f29a97636a703ef700d431f0b1b36",
            "prev_hash": "47b3039c8a3a125d9d529fd01fd79a328c30015c6793bd9836b25dc929a738ba",
            "hash": "8b34a759cee424fc9d31788ff79b0f791c9a1a2f3fd7586f3c1a0cfbca3b16ed",
            "actor": null,
            "seal": {
                "id": 1,
                "digest": "25686b149cfd327de10f8db2827c82e22b0d6a884d716cd11b36328364d6937d",
                "file": "https://tenderiq.pl/rejestr/pieczec-1.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-1.txt.ots",
                "bitcoin_block": 972985
            }
        }
    ]
}